Your source is Faust. Hear it compiles it in this page and swaps it onto track 1 of the beat while it plays; the previous version keeps playing if it doesn't compile.
A Synth App reads gate, freq and level; its knobs are the parameters its manifest names (the starter's sloppy.json). Tap the app to start the beat.
Your draft stays in this browser. Coding agents: AGENTS.md.